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Old 25th Nov 2010, 1:44 pm   #5
cmjones01
Nonode
 
Join Date: Oct 2008
Location: Warsaw, Poland and Cambridge, UK
Posts: 2,676
Default Re: Low noise amplification with mulitple valves

Quote:
Originally Posted by Lucien Nunes View Post
Is it not therefore true to say that where there is enough input current available to drive many valves in parallel instead of one, the parallel configuration has better SNR mainly on account of having less of an impedance mismatch into the grid circuit than the single valve configuration?
...and therefore, wouldn't a transformer do the same job? (though have other imperfections)
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